155935592543 has 2 divisors, whose sum is σ = 155935592544. Its totient is φ = 155935592542.

The previous prime is 155935592489. The next prime is 155935592567. The reversal of 155935592543 is 345295539551.

It is a happy number.

155935592543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155935592543 - 2²⁰ = 155934543967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155935592443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77967796271 + 77967796272.

It is an arithmetic number, because the mean of its divisors is an integer number (77967796272).

Almost surely, 2^155935592543 is an apocalyptic number.

155935592543 is a deficient number, since it is larger than the sum of its proper divisors (1).

155935592543 is an equidigital number, since it uses as much as digits as its factorization.

155935592543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18225000, while the sum is 56.

The spelling of 155935592543 in words is "one hundred fifty-five billion, nine hundred thirty-five million, five hundred ninety-two thousand, five hundred forty-three".